Merge pull request #23 from tihuan/feature_render_record_after_gather_data

Feature render record after gather data
Add error page for empty query parameter in gather action
Create new view for adding query parameter to url
Merge branch 'master' of https://github.com/kz363/SparkGather into kzhou_fix_empty_query_parameter
Merge pull request #24 from kz363/kzhou_fix_empty_query_parameter

Kzhou fix empty query parameter
Remove coverage folder
Display proper timezone on index page
Merge pull request #25 from tihuan/feature_render_record_after_gather_data

#show_plugins returns nil when plugins is nil
Fix plugin bug
merge upstream